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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:22:29                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              224/Throckmorton                                          VRSN:      W
                                                        224-902/Woodson ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                  596,978        0.8981               664,712               13               53
           2           A                  596,058        1.0327               577,184               10               30
           3           A                  620,185        1.0189               608,681               10               20
           4           A                  583,920        1.0713               545,057                9               12
           5           D3               4,198,396        1.0070             4,169,212               28            1,206
           6           G1               7,667,740        1.0298             7,445,854               27              145
  RANDOM TOTALS:                       14,263,277                          14,010,700               97            1,466
  CATG J  EXCEPTION VALUES:               882,858                             846,639
  CATG D1 EXCEPTION VALUES:             5,633,054                           5,450,221
  CATG G1 EXCEPTION VALUES:             2,922,670                           3,102,535
 TOTAL TEST VALUES (4):                23,701,859                          23,410,095
 MARGIN OF ERROR PERCENT:               5.0000011
 MARGIN OF ERROR VALUE:                 1,170,505
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  22,239,590 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   23,701,859 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                  24,580,600 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                   23,719,890 (SEE ISD SUMMARY WORKSHEET)

 SOURCES:
 (1) SEE STRATIFIED CATEGORY WORKSHEET REPORTS PTS236, PTS430
 (2) NUMBER OF PARCELS SAMPLED BY STAFF
 (3) TOTAL CATEGORY PARCELS FROM STRATIFICATION REPORT APPRAISAL ROLL, OR SELF-REPORT
 (4) INCLUDES ANY PARCELS IN A, B, C, D3, F1, G1, G2,OR L1 MARKED AS EXCEPTION PROPERTIES
 (5) UNSTUDIED CATEGORIES AND SUB-CATEGORIES WERE NOT INCLUDED IN THE CONFIDENCE INTERVAL VALUES